Which statement best describes the relationship between plants and oxygen?

How dose energy I've through an ecosystem

What are the 4 rules of seismic waves?

An airplane flies at 400 km/h in a 100km/h hurricane crosswind. Find the resultant speed of the plane.

you are trying to figure out the voltage of a battery when you know the current and the resistance. the current (i) is 25 Amps, and the resistance (R) is 10 ohms. Use the right form of I=VIR

Put these greenhouse effect events in order, starting with light's origin. 1. Visible and shortwave radiation heat Earth 2. Earth radiates longwave radiation 3. Longwave radiation is reflected downward 4 ... Longwave radiation heats Earth

A wave with a frequency of 30 Hz has a wavelength of 40.5 m. How fast is the wave traveling?

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.

A body with v=20m/s changes its speed to 28m/s in 2sec. its acceleration will be

Charge: A piece of plastic has a net charge of + 2.00 μC. How many more protons than electrons does this piece of plastic have? (e = 1.60 * 10-19 C)

How much heat is needed to raise the temperature of 6g of water by 18oC?